Long Distance Competition/Ultracycling, Randonneuring and Endurance Cycling Do you enjoy centuries, double centuries, brevets, randonnees, and 24-hour time trials? Share ride reports, and exchange training, equipment, and nutrition information specific to long distance cycling. This isn't for tours, this is for endurance events cycling

Dynamo Wheel Build - rim type?

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Old 12-27-17, 09:00 PM
  #26  
ThermionicScott 
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Originally Posted by unterhausen View Post
I thought the Belgiums were gone.
I might be wrong, but I think only the 650B rim brake version is discontinued.
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Old 12-28-17, 07:36 PM
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ok, that's right, I saw it on the 650b email list.
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Old 12-28-17, 08:30 PM
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I don't even know what kind of rims I am using. My LBS manager picked them. They're heavy and they haven't broken yet. If they do, I'll build my wheel lighter.
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Old 12-29-17, 01:23 PM
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Same as your rear wheel for cosmetics.

Originally Posted by Flounce View Post
Building a dynamo wheel with Son28.
Bike is a 2015 Soma ES, wheel will also be rarely used with a 2015 Cannondale Supersix Evo that has more limited clearance for external rim width (not sure but thinking 23mm rim width okay).

The wheelbuilder I spoke with suggested:

Mavic Open Pro
No. Its aerodynamics are horrible. It bends easier than deeper rims on road obstacles, which is a natural consequence of beam stiffness being proportional to the cube of depth - all else equal a 25mm extrusion would have 250% the stiffness of a 18.4mm deep Open pro.

DT Swiss RR 411 (requires use of their alloy pro head nipples).
I wouldn't do anything which requires proprietary parts, or an oddball rim less likely to be still available when you bend/wear it out and want to replace it without changing spokes and relacing your wheel.

Of those three I'd use the Archetype.

What rim would you suggest and why?
I built my current wheelset using Velocity Fusion HALO retro-reflective powder coated rims (originally a PowerTap front and rear, although I added another front built around a SON28 when I was riding too many hours after dark to rely on battery lights)

They've been around forever, so being able to get another for rim replacement without changing spokes is likely
25mm deep so they're durable without barn door aerodynamics
Not unnecessarily heavy
They're brightly illuminated by vehicle headlights
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Old 12-29-17, 06:07 PM
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unterhausen
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if it matters, he already decided
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Old 12-29-17, 11:08 PM
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Thanks, Drew.

I like the idea of the reflective surface of the rim.

I decided on the Archetype.
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Old 02-05-18, 09:52 PM
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My 2 cents - H + son TB14 for vintage strong rim. I've laced 3 or 4 now and they seem pretty good. Not at all aero though - Vintage looking.
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Old 02-05-18, 10:10 PM
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Yep, I got it built, whole wired lighting rig was set up, and rode it for the first time yesterday:

H son archetype, polished Silver
DT comp spokes
Son 28 with 32 hole (only hole configuration Peter White had in polished silver Son28)
silver brass nipples
panaracer paselas 32mm

Sinewave Beacon light

Secula wired rear light

Soma San Lucas 2 front mini rack

Wald Basket zip tied to front rack (14.5"x 10"x9")

on Soma ES bike with 46/30 rings and 11-32 cassette

... It's comfy and more practical, but substantially heavier than my 2015 Cannondale Supersix Evo Hi Mod Dura Ace with Dinotte battery Front and Rear lights, Dura Ace wheels, that I've been doing 200 and 300km brevets on. I'll appreciate the comfort and functionality (basket,rack,dynamolights,gearing) when I hopefully do a 400km and 600km in a few months, but for the time being it rides like a cadillac when I've been used to a corvette.

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Old 02-06-18, 11:21 AM
  #34  
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I can't wait for the pictures, hint-hint.
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